From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EF300C47E49 for ; Tue, 29 Oct 2019 01:09:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CD67A218BA for ; Tue, 29 Oct 2019 01:09:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727745AbfJ2BJw (ORCPT ); Mon, 28 Oct 2019 21:09:52 -0400 Received: from mail-ed1-f68.google.com ([209.85.208.68]:45478 "EHLO mail-ed1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726365AbfJ2BJw (ORCPT ); Mon, 28 Oct 2019 21:09:52 -0400 Received: by mail-ed1-f68.google.com with SMTP id y7so9395298edo.12; Mon, 28 Oct 2019 18:09:51 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=0lphBL/5v2KmmoeRZ37w1s/D6Nv6IFE2uro0ev3xsvE=; b=jmQ7066HvOFeurUklvPjx05bSGn5LrGoSp3d0fJT4l+3AGxT8XLbStPkMu3b9g3exb j2+uTGePFYBt83TwsuKDfZ+BadB5ZgnrRF/vvopl2Kap6fSa9YMvhU+xX+DsABfuqZMf 8zgNJ2MbbU+I7Cwgg1w0ZLR32IXBK2Q3Ry3LH5m6OnR8VGObUM4oLSYusyhzXAvRrxqY g7zN5RRzJ2VE7FZoEOej/QYuwV2DcQmsl5p4rBPkhtweSAXOfu83qil5KYlH7kOVZ+Qm +Fx92sXsPfi6nmh7Gc7KJIDcsHcffd+D6bnHJnOhyg4vTZ6KfYKB1gB1HmbNNxB+ftls WliA== X-Gm-Message-State: APjAAAUnKhdNOSHUzJ93x/TNWWDZ2lgjarRp2IASmEUuucjnLM1be817 detPx3caigolK2JvAjkcmxCCiDVwKvc= X-Google-Smtp-Source: APXvYqxF9jxqghWtxD7VhiB6mn7H6YpYO7npwISe0WygREvp0q2HVM9SKQSsFy/YExKcUhn84XwMFg== X-Received: by 2002:a17:906:c836:: with SMTP id dd22mr787346ejb.178.1572311389983; Mon, 28 Oct 2019 18:09:49 -0700 (PDT) Received: from mail-wr1-f44.google.com (mail-wr1-f44.google.com. [209.85.221.44]) by smtp.gmail.com with ESMTPSA id s20sm583170edq.44.2019.10.28.18.09.49 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 28 Oct 2019 18:09:49 -0700 (PDT) Received: by mail-wr1-f44.google.com with SMTP id n15so11773212wrw.13; Mon, 28 Oct 2019 18:09:49 -0700 (PDT) X-Received: by 2002:a05:6000:1252:: with SMTP id j18mr16938815wrx.23.1572311389338; Mon, 28 Oct 2019 18:09:49 -0700 (PDT) MIME-Version: 1.0 References: <20191028214914.3465156-1-megous@megous.com> In-Reply-To: <20191028214914.3465156-1-megous@megous.com> From: Chen-Yu Tsai Date: Tue, 29 Oct 2019 09:09:40 +0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [linux-sunxi] [PATCH] ARM: sunxi: Fix CPU powerdown on A83T To: =?UTF-8?Q?Ond=C5=99ej_Jirman?= Cc: linux-sunxi , stable , Maxime Ripard , Russell King , "moderated list:ARM/Allwinner sunXi SoC support" , open list Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Oct 29, 2019 at 5:49 AM Ondrej Jirman wrote: > > PRCM_PWROFF_GATING_REG has CPU0 at bit 4 on A83T. So without this > patch, instead of gating the CPU0, the whole cluster was power gated, > when shutting down first CPU in the cluster. > > Fixes: 6961275e72a8c1 ("ARM: sun8i: smp: Add support for A83T") > Signed-off-by: Ondrej Jirman > Cc: stable@vger.kernel.org Acked-by: Chen-Yu Tsai Though I distinctly remember the BSP had some code dealing with chip revisions in which the two bits were reversed. :(